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  All consuming anger 5 Jun 2010 (Ask HJ)
  I was interested to read that one of your readers was getting 62.9mpg from his 2002/52 Ford Fiesta diesel. We exchanged our 2002 Fiesta 1.4 diesel for...
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  Can tankerus 30 Jan 2010 (Ask HJ)
  Recently (and I have the receipt to prove it) I filled my Vectra CDTi with V-Power Diesel (from just on the red to a full tank). The car subsequently started...
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  Paths crossed 17 Jan 2009 (Ask HJ)
  The fuel consumption of my February 2008 Nissan Pathfinder Aventura diesel has been carefully monitored driving on country roads at an average of 50mph...
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  Skoda Octavia 1.6 TDI CR or 1.4 TSI which to buy? 6 Dec 2012 (Ask HJ)
  I want to purchase a Skoda Octavia and I’ll be grateful for any advice that you can offer on whether to buy a diesel or a petrol model. I’m looking...
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  I can't collect my new car until lockdown ends - should I ask the dealer to replace the battery? 21 Apr 2020 (Ask HJ)
  Two or three days before Covid-19 struck, I put a deposit on a three-year old Skoda Fabia Estate, which had been off the road since the end of January....
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  I do over 20,000 miles per year - should I buy an SUV? 31 Mar 2017 (Ask HJ)
  I'm thinking of purchasing an SUV, or similar to replace my Saab 9-3. I have narrowed it down to Kia, Honda, Ford and Nissan. I'm tempted by the Kia Niro....
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  Will the larger 3.0-litre BMW X3 be more thirsty than the 2.0-litre? 5 Jan 2013 (Ask HJ)
  I watched your video on the BMW F25 X3. At the time of making the video the more powerful 3.0-litre engine was not available. Do you have any comments...
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  Can I do anything to improve the fuel economy after the emission update? 1 Jun 2017 (Ask HJ)
  My Skoda Yeti 2.0 TDI had the emissions update six months ago. I have since discovered a drop of 6.5mpg. Skoda say they cannot do anything, can anyone...
• MPG Caps 16 Feb 2007 (Forum)
  but I would like to hear from anyones FIRSTHAND experience of using them. I'm not interested in hearing about diesel magnets, oil additives, multi level marjeting scams, etc, purely anyone who has used MPG CAPS into their fuel tank. cheers folks MTC
• ZX Cold Start (Again) 25 Aug 2003 (Forum)
  I have checked the resistance on the old plug behind the pump (that can\'t be removed) and that seems to be ok (offering the same resistance as the other new plugs). So that doesn\'t sound like the problem. I have looked at the fuel leak off pipes on the injectors, but can\'t see anything as the intercooler is in the way. What I can see is that there is an awful lot of what I suspect is old diesel fuel that looks like it is getting blown out of either the rightmost injector / or out of the top of it (as I can see fuel pooled around the base of the injector).
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  Issues with Fiat 500 Diesel 29 May 2013 (Ask HJ)
  I have a Fiat 500 Diesel car, which is currently having white smoke coming from the exhaust. It is also over revving and the DPF warning light has come...
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  Is it true that diesel vehicles don't respond well to repeated short runs from cold? 27 Oct 2010 (Ask HJ)
  I have advised my wife that for only about 5,000 miles per year she needs to stick to a petrol automatic SUV because it's cheaper and diesel engines do...
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  Should I be concerned about the DPF if I buy a Volkswagen Golf or Polo TDI? 14 Oct 2010 (Ask HJ)
  I am about to choose between a Golf TDI 90 PS and a Polo 75 PS TDI, but am concerned about reports concerning DPF problems with the Polo in particular....
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  What should I replace my 2002 Ford Fiesta with? 10 Jun 2010 (Ask HJ)
  My husband wrote off my 2002-plate 1.4 diesel Fiesta and I am now left with the quandary of what to replace it with. I need a diesel because of the amount...
• Focus / CMax 1600ccTDCi - fuel issue / limp home 6 Sep 2014 (Forum)
  Hi I have read about a possible issue with the fuel filter becoming  easily blocked with emulsion, and the car going into limp home mode.  This happened to me and with a fuel error coming up on the diagnostic,  we changed the filter and all has been OK.
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  DPF additives 1 Jun 2011 (Ask HJ)
  I have a Skoda Yeti 2.0 Diesel with DSG. 5,000 miles a year, 40% of my journeys less than 5miles. Would a fuel additive reduce the chance of clogging and,...
• 55 Ford Focus 1.8 tdci - 55 Focus tdci Bad Fuel Economy 4 Feb 2011 (Forum)
  The clutch isn't slipping so I don't think that is a problem and the tyres are at the correct pressure. I have read that a sudden loss of fuel economy can be down to a failing turbo unit? Any ideas anyone?
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  Buying a used SUV - petrol or diesel? 27 Jan 2016 (Ask HJ)
  I'm looking to replace my Volkswagen Golf GTI Estate, which I really enjoy driving. I am thinking of a used Nissan Qashqai or a Hyundai ix35 but seem only...
• Ford - Mondeo IV (2007 -) diesel or petrol 12 Sep 2007 (Forum)
  Any views or opinions on the old petrol v diesel debate? If you look at it with an economical head on, the potential 4 grand saving in fuel over 5 years says it all!
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  Are engines becoming more efficient or not? 6 Sep 2012 (Ask HJ)
  I recently bought a Hyundai i10 1.2 for my wife. It is an excellent car but only returns 42mpg compared to the stated 61mpg, less than my old Triumph Spitfire...